KR20050006323A - 시점-의존 처리를 이용한 3차원 노말 메쉬 데이터 압축 및전송 장치 - Google Patents
시점-의존 처리를 이용한 3차원 노말 메쉬 데이터 압축 및전송 장치 Download PDFInfo
- Publication number
- KR20050006323A KR20050006323A KR1020030046013A KR20030046013A KR20050006323A KR 20050006323 A KR20050006323 A KR 20050006323A KR 1020030046013 A KR1020030046013 A KR 1020030046013A KR 20030046013 A KR20030046013 A KR 20030046013A KR 20050006323 A KR20050006323 A KR 20050006323A
- Authority
- KR
- South Korea
- Prior art keywords
- mesh
- normal
- segment
- view
- encoder
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T9/00—Image coding
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
Abstract
Description
Claims (1)
- 3차원 노말 메쉬 데이터를 압축 및 전송하는 장치로서,제공되는 불규칙한 메쉬를 준-균일 메쉬로 리메싱하는 노말 리메싱부와,상기 노말 리메싱부로부터 제공되는 준-균일 메쉬를 웨이블릿 분해변환해서 기저 메쉬와 상위 레벨의 웨이블릿 계수들로 분해하는 웨이블릿 분해변환부와,상기 웨이블릿 분해변환부로부터 제공되는 기저 메쉬를 불규칙한 기저 메쉬 부호기들을 이용하여 압축하는 기저 메쉬 부호기와,상기 웨이블릿 분해변환부로부터 제공되는 상위 레벨의 웨이블릿 계수들을 여러 세그멘트들로 독립적으로 나누는 세그멘트 독립분할부와,상기 세그멘트 독립분할부로부터 제공되는 다수의 세그멘트들을 SPIHT 알고리듬으로 독립적으로 각기 부호화하는 SPIHT 부호기와,상기 SPIHT 부호기로부터 제공되는 SPIHT 알고리듬으로 독립적으로 각기 부호화된 각 세그멘트에 상대 복호기에서 전송된 사용자의 시점 정보를 사용하여 시점-의존 측면에서 최적의 비트량을 각각 할당하는 시점-의존 비율-왜곡 최적화부와,상기 시점-의존 비율-왜곡 최적화부로부터 제공되는 최적의 비트량이 각각 할당된 각 세그멘트를 아리스메틱 코더를 사용하여 압축하는 엔트로피 부호기를 포함하는 시점-의존 처리를 이용한 3차원 노말 메쉬 데이터 압축 및 전송 장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0046013A KR100511717B1 (ko) | 2003-07-08 | 2003-07-08 | 시점-의존 처리를 이용한 3차원 노말 메쉬 데이터 압축 및전송 장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0046013A KR100511717B1 (ko) | 2003-07-08 | 2003-07-08 | 시점-의존 처리를 이용한 3차원 노말 메쉬 데이터 압축 및전송 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050006323A true KR20050006323A (ko) | 2005-01-17 |
KR100511717B1 KR100511717B1 (ko) | 2005-09-02 |
Family
ID=37220155
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2003-0046013A KR100511717B1 (ko) | 2003-07-08 | 2003-07-08 | 시점-의존 처리를 이용한 3차원 노말 메쉬 데이터 압축 및전송 장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100511717B1 (ko) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011046327A3 (en) * | 2009-10-16 | 2011-08-25 | Samsung Electronics Co., Ltd. | Apparatus and method for coding a three dimensional mesh |
US9749609B2 (en) | 2011-03-17 | 2017-08-29 | Samsung Electronics Co., Ltd. | Method and apparatus for encoding a 3D mesh |
US9787321B1 (en) | 2016-11-17 | 2017-10-10 | Google Inc. | Point cloud data compression using a space-filling curve |
US10313673B2 (en) | 2016-10-19 | 2019-06-04 | Google Llc | Methods and apparatus to encode and/or decode normals of geometric representations of surfaces |
US10430975B2 (en) | 2016-11-17 | 2019-10-01 | Google Llc | Advanced k-D tree encoding for point clouds by most significant axis selection |
US10496336B2 (en) | 2016-11-17 | 2019-12-03 | Google Llc | K-D tree encoding for point clouds using deviations |
US10553035B2 (en) | 2017-06-02 | 2020-02-04 | Google Llc | Valence based implicit traversal for improved compression of triangular meshes |
US10733766B2 (en) | 2016-10-19 | 2020-08-04 | Google, Llc | Methods and apparatus to encode and/or decode normals of geometric representations of surfaces |
US10891758B2 (en) | 2018-07-23 | 2021-01-12 | Google Llc | Geometry encoder |
US10950042B2 (en) | 2017-06-02 | 2021-03-16 | Google Llc | Guided traversal in compression of triangular meshes |
-
2003
- 2003-07-08 KR KR10-2003-0046013A patent/KR100511717B1/ko active IP Right Grant
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011046327A3 (en) * | 2009-10-16 | 2011-08-25 | Samsung Electronics Co., Ltd. | Apparatus and method for coding a three dimensional mesh |
US9749609B2 (en) | 2011-03-17 | 2017-08-29 | Samsung Electronics Co., Ltd. | Method and apparatus for encoding a 3D mesh |
US10313673B2 (en) | 2016-10-19 | 2019-06-04 | Google Llc | Methods and apparatus to encode and/or decode normals of geometric representations of surfaces |
US10733766B2 (en) | 2016-10-19 | 2020-08-04 | Google, Llc | Methods and apparatus to encode and/or decode normals of geometric representations of surfaces |
US9787321B1 (en) | 2016-11-17 | 2017-10-10 | Google Inc. | Point cloud data compression using a space-filling curve |
US10430975B2 (en) | 2016-11-17 | 2019-10-01 | Google Llc | Advanced k-D tree encoding for point clouds by most significant axis selection |
US10496336B2 (en) | 2016-11-17 | 2019-12-03 | Google Llc | K-D tree encoding for point clouds using deviations |
US10553035B2 (en) | 2017-06-02 | 2020-02-04 | Google Llc | Valence based implicit traversal for improved compression of triangular meshes |
US10950042B2 (en) | 2017-06-02 | 2021-03-16 | Google Llc | Guided traversal in compression of triangular meshes |
US10891758B2 (en) | 2018-07-23 | 2021-01-12 | Google Llc | Geometry encoder |
Also Published As
Publication number | Publication date |
---|---|
KR100511717B1 (ko) | 2005-09-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US10694210B2 (en) | Scalable point cloud compression with transform, and corresponding decompression | |
US10223810B2 (en) | Region-adaptive hierarchical transform and entropy coding for point cloud compression, and corresponding decompression | |
US6614428B1 (en) | Compression of animated geometry using a hierarchical level of detail coder | |
CN1678073B (zh) | 用于可伸缩视频编码的方向自适应可伸缩运动参数编码 | |
EP0883864B1 (en) | Wavelet based data compression | |
US6567081B1 (en) | Methods and arrangements for compressing image-based rendering (IBR) data using alignment and 3D wavelet transform techniques | |
KR100511717B1 (ko) | 시점-의존 처리를 이용한 3차원 노말 메쉬 데이터 압축 및전송 장치 | |
KR100511719B1 (ko) | 비율-왜곡 최적화를 이용한 3차원 노말 메쉬 데이터 압축장치 | |
JP2005027309A (ja) | Jpeg2000圧縮画像をトランスコードするための方法 | |
CN101123000B (zh) | 一种三维图形数据的压缩处理方法 | |
CN102186076B (zh) | 一种实时码率预分配的图像压缩方法及图像压缩装置 | |
WO2022121649A1 (zh) | 点云数据编码方法、解码方法、点云数据处理方法及装置、电子设备、计算机程序产品及计算机可读存储介质 | |
Yang et al. | A progressive view-dependent technique for interactive 3-D mesh transmission | |
Sim et al. | Rate-distortion optimized compression and view-dependent transmission of 3-D normal meshes | |
JP4111367B2 (ja) | 3次元画像の階層符号化方法および階層伝送復号方法 | |
CN101754021B (zh) | 基于改进小波变换图像压缩方法实现手机移动门户的方法 | |
Wu et al. | Design of distributed interactive online geographic information system viewer using wavelets | |
Köse et al. | 3D model compression using connectivity-guided adaptive wavelet transform built into 2D SPIHT | |
Duarte et al. | Multiscale recurrent patterns applied to stereo image coding | |
Krivokuća et al. | Zerotree Coding of Subdivision Wavelet Coefficients in Dynamic Time-Varying Meshes | |
CN103077543A (zh) | 一种基于逆Loop细分的嵌入式零树编码方法 | |
Yang et al. | Progressive coding of 3D dynamic mesh sequences using spatiotemporal decomposition | |
Cernea et al. | Wavelet-based scalable L-infinite-oriented coding of MPEG-4 MeshGrid surface models | |
Berghom et al. | Context conditioning and run-length coding for hybrid, embedded progressive image coding | |
US20220392114A1 (en) | Method and apparatus for calculating distance based weighted average for point cloud coding |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
N231 | Notification of change of applicant | ||
FPAY | Annual fee payment |
Payment date: 20120810 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20130814 Year of fee payment: 9 |
|
FPAY | Annual fee payment |
Payment date: 20140722 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20151224 Year of fee payment: 11 |
|
FPAY | Annual fee payment |
Payment date: 20160212 Year of fee payment: 12 |
|
FPAY | Annual fee payment |
Payment date: 20170724 Year of fee payment: 13 |
|
FPAY | Annual fee payment |
Payment date: 20190902 Year of fee payment: 15 |